Class ClassifierSplitModel

    • Constructor Detail

      • ClassifierSplitModel

        public ClassifierSplitModel()
    • Method Detail

      • clone

        public java.lang.Object clone()
        Allows to clone a model (shallow copy).
      • buildClassifier

        public abstract void buildClassifier​(Instances instances)
                                      throws java.lang.Exception
        Builds the classifier split model for the given set of instances.
        Throws:
        java.lang.Exception - if something goes wrong
      • checkModel

        public final boolean checkModel()
        Checks if generated model is valid.
      • classifyInstance

        public final double classifyInstance​(Instance instance)
                                      throws java.lang.Exception
        Classifies a given instance.
        Throws:
        java.lang.Exception - if something goes wrong
      • classProb

        public double classProb​(int classIndex,
                                Instance instance,
                                int theSubset)
                         throws java.lang.Exception
        Gets class probability for instance.
        Throws:
        java.lang.Exception - if something goes wrong
      • classProbLaplace

        public double classProbLaplace​(int classIndex,
                                       Instance instance,
                                       int theSubset)
                                throws java.lang.Exception
        Gets class probability for instance.
        Throws:
        java.lang.Exception - if something goes wrong
      • codingCost

        public double codingCost()
        Returns coding costs of model. Returns 0 if not overwritten.
      • distribution

        public final Distribution distribution()
        Returns the distribution of class values induced by the model.
      • leftSide

        public abstract java.lang.String leftSide​(Instances data)
        Prints left side of condition satisfied by instances.
        Parameters:
        data - the data.
      • rightSide

        public abstract java.lang.String rightSide​(int index,
                                                   Instances data)
        Prints left side of condition satisfied by instances in subset index.
      • dumpLabel

        public final java.lang.String dumpLabel​(int index,
                                                Instances data)
                                         throws java.lang.Exception
        Prints label for subset index of instances (eg class).
        Throws:
        java.lang.Exception - if something goes wrong
      • sourceClass

        public final java.lang.String sourceClass​(int index,
                                                  Instances data)
                                           throws java.lang.Exception
        Throws:
        java.lang.Exception
      • sourceExpression

        public abstract java.lang.String sourceExpression​(int index,
                                                          Instances data)
      • dumpModel

        public final java.lang.String dumpModel​(Instances data)
                                         throws java.lang.Exception
        Prints the split model.
        Throws:
        java.lang.Exception - if something goes wrong
      • numSubsets

        public final int numSubsets()
        Returns the number of created subsets for the split.
      • resetDistribution

        public void resetDistribution​(Instances data)
                               throws java.lang.Exception
        Sets distribution associated with model.
        Throws:
        java.lang.Exception
      • split

        public final Instances[] split​(Instances data)
                                throws java.lang.Exception
        Splits the given set of instances into subsets.
        Throws:
        java.lang.Exception - if something goes wrong
      • weights

        public abstract double[] weights​(Instance instance)
        Returns weights if instance is assigned to more than one subset. Returns null if instance is only assigned to one subset.
      • whichSubset

        public abstract int whichSubset​(Instance instance)
                                 throws java.lang.Exception
        Returns index of subset instance is assigned to. Returns -1 if instance is assigned to more than one subset.
        Throws:
        java.lang.Exception - if something goes wrong